texture freeing + render updates done a bit nicer

src/testing/mod.rs

@@ -76,8 +76,6 @@ impl Client {
         let span_add_test = ui.add(Span::empty(Dir::RIGHT).id(&span_add));
         let main: WidgetId<Regioned> = ui.id();
 
-        let image_test = ui.add(image(include_bytes!("assets/sungals.png")));
-
         fn switch_button<To>(
             color: UiColor,
             main: &WidgetId<Regioned>,
@@ -106,9 +104,8 @@ impl Client {
                 switch_button(UiColor::RED, &main, &pad_test),
                 switch_button(UiColor::GREEN, &main, &span_test),
                 switch_button(UiColor::BLUE, &main, &span_add_test),
-                switch_button(UiColor::MAGENTA, &main, &image_test),
             )
-                .span(Dir::RIGHT, [1, 1, 1, 1]),
+                .span(Dir::RIGHT, [1, 1, 1]),
         );
         let test_button = Rect::new(Color::PURPLE)
             .radius(30)
@@ -159,15 +156,17 @@ impl Client {
         match event {
             WindowEvent::CloseRequested => event_loop.exit(),
             WindowEvent::RedrawRequested => {
-                let updates = ui.update(self);
-                self.renderer.update(updates);
+                ui.update(self);
+                self.renderer.update(ui);
                 self.renderer.draw()
             }
             WindowEvent::Resized(size) => self.renderer.resize(&size),
             WindowEvent::KeyboardInput { event, .. } => {
                 if event.state.is_pressed() {
-                    let child = ui.add(Rect::new(Color::YELLOW)).erase_type();
-                    ui[&self.ui.span_add].children.push((child, fixed(20.0)));
+                    let child = ui
+                        .add(image(include_bytes!("assets/sungals.png")))
+                        .erase_type();
+                    ui[&self.ui.span_add].children.push((child, ratio(1)));
                     self.renderer.window().request_redraw();
                 }
             }

src/testing/render/mod.rs

@@ -1,7 +1,7 @@
 use pollster::FutureExt;
 use std::sync::Arc;
 use ui::{
-    UiRenderUpdates,
+    Ui,
     render::{UiLimits, UiRenderer},
 };
 use wgpu::{util::StagingBelt, *};
@@ -21,7 +21,7 @@ pub struct Renderer {
 }
 
 impl Renderer {
-    pub fn update(&mut self, updates: UiRenderUpdates) {
+    pub fn update<Ctx>(&mut self, updates: &mut Ui<Ctx>) {
         self.ui.update(&self.device, &self.queue, updates);
     }